Kolkata air quality fails safety test

The city has always been polluted but the rate at which its level is increasing has turned menacing.

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Publication Date: 
01/04/2015
Times of India (Kolkata)
Tags:
West Bengal, Kolkata, Air Pollution, Urban Air Quality, RSPM (PM 10), Nitrogen Dioxide, Health Effects, Central Pollution Control Board (CPCB), Air Quality Monitoring